Blind Fish?

[knifegill]

i would work on maintain good water quality and wait to see if it gets better

It's a 55 with goldfish and koi. There is no such thing as good water quality in a 55 with three large goldfish and a koi unless you have a constant fresh in/out all day.
My friend, I'd certainly invest in a pond as soon as you can.

Oh, I see you've posted about a pond. Great news!

The 55 might be able to accommodate one goldfish. It will still be work.

 

[~ocean]

oh, and put some benificial bacteria in there...

 

[sostoudt]

It's a 55 with goldfish and koi. There is no such thing as good water quality in a 55 with three large goldfish and a koi unless you have a constant fresh in/out all day.
My friend, I'd certainly invest in a pond as soon as you can.

Oh, I see you've posted about a pond. Great news!

The 55 might be able to accommodate one goldfish. It will still be work.

its all related to the size of the fish, a large goldfish to most people isnt actually a full sized goldfish.

you can keep 2 goldfish in a 55, the advisment for good/decent water is 20 gallons per goldfish. but i would still give them a bigger tank so they have more swimming space.

 

[Nenedudette]

The comet is roughly 8 inches she is over 5 years old, and the shubunkins arent even close to full grown, one is MAYBE 4 inches and the other probably 6 inches

Edit: Same with the koi, it's probably 4 inches